Metal shavings ? in fuel filter - Diesel Forum - TheDieselStop.com
6.7L Power Stroke Engine and Drivetrain Discussion of the 6.7L Power Stroke diesel engine and drivetrain in the 2011-Up Super Duty trucks. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.7L Power Stroke engine.

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post #1 of 76 (permalink) Old 06-10-2013, 04:47 PM Thread Starter
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Metal shavings ? in fuel filter

Today I was doing my monthly drain of my fuel filters and saw what I think were metal shavings in the fuel. I can't be 100% sure that the pan I drained into was totally clean so they may be from another source. I noticed them after I drained my dieselsite filters but before I drained the Ford filter.

Has anyone encountered this before? Could my in tank fuel pump be on its way out?

1999 F350 DRW 7.3L
2013 F350 SRW 6.7L
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post #2 of 76 (permalink) Old 06-10-2013, 05:29 PM
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I would do it again using a clean jar. If it comes out clean and you are still worried, change your fuel filter and open the old one up. See the Epic Cowlick video on youtube where he cuts up his filter.
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post #3 of 76 (permalink) Old 06-10-2013, 05:43 PM
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Originally Posted by ShumpH15 View Post
Could my in tank fuel pump be on its way out?
No, there is no "in tank" pump.

There was another member who went through this.

It was suggested that the shavings are from sliding the nozzle in and out of the filler tube.

Sounds like the filter did its job.

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post #4 of 76 (permalink) Old 06-10-2013, 06:34 PM
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It was suggested that the shavings are from sliding the nozzle in and out of the filler tube.
What? That's ridiculous.

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post #5 of 76 (permalink) Old 06-10-2013, 10:18 PM
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What? That's ridiculous.
Why? You got a better theory?

If you think about it, it could be introduced several places along the way from the refinery to your fuel tank.

It could also be coming from his HPFP.

But why cause panic? Slim chance of that..... unless there is more story to come.

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post #6 of 76 (permalink) Old 06-11-2013, 01:14 PM
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Makes sense KJ. A lot of nozzles are used before the fuel gets to us.

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post #7 of 76 (permalink) Old 06-11-2013, 07:07 PM
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Why? You got a better theory?

It could also be coming from his HPFP.
Please correct me if I'm wrong, but fuel goes from the Tank -> DFCM -> Engine Mounted Fuel Filter -> HPFP

So how does metal get through the Engine mounted fuel filter back to the DFCM

Or in this case, I think it would also have to get through his DFCM filter and then back to his Diesel Site filters
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post #8 of 76 (permalink) Old 06-11-2013, 09:10 PM
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Please correct me if I'm wrong, but fuel goes from the Tank -> DFCM -> Engine Mounted Fuel Filter -> HPFP

So how does metal get through the Engine mounted fuel filter back to the DFCM

Or in this case, I think it would also have to get through his DFCM filter and then back to his Diesel Site filters
Fuel return line. There would be no filter on that.

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post #9 of 76 (permalink) Old 06-12-2013, 12:37 AM
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Fuel return line. There would be no filter on that.
I stand corrected. Sneaky.
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post #10 of 76 (permalink) Old 06-12-2013, 11:48 AM Thread Starter
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If those shavings came through the return line then I am in trouble
There is still a chance the shavings came from something else in my garage. I am going to change and inspect my fuel filters this weekend so I should know more at that point. I am leaving on a long trip next week so fingers crossed.

BTW does anyone have a hard time with the drain on the Ford filter? I have such a hard time opening and closing it.

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Last edited by ShumpH15; 06-12-2013 at 11:51 AM.
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post #11 of 76 (permalink) Old 06-12-2013, 11:58 AM
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I just had a thought while reading this. If it wouldn't be too difficult to do maybe adding a filter to the return line would be helpful in determining where the shavings were coming from. If that filter is clean it would have to be something in the fuel and not the HPFP.

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post #12 of 76 (permalink) Old 06-12-2013, 12:34 PM Thread Starter
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I just had a thought while reading this. If it wouldn't be too difficult to do maybe adding a filter to the return line would be helpful in determining where the shavings were coming from. If that filter is clean it would have to be something in the fuel and not the HPFP.
Could probably put a magnefine on it Welcome to the Australian Magnefine Website but I would be worried about constricting the flow and what effect that would have on the system

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post #13 of 76 (permalink) Old 06-12-2013, 02:53 PM
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If they're aluminum shavings the magnet wouldn't be helpful. I thought about the restriction too and was thinking as long as the filter will flow as much as the factory filters it should work. A restriction in the return would raise the system fuel pressure and I would think the filter would have to be pretty restrictive to change that. Maybe install something temporarily just for peace of mind. I haven't looked at it so it might be too complicated anyway.

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post #14 of 76 (permalink) Old 06-12-2013, 02:58 PM Thread Starter
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If they're aluminum shavings the magnet wouldn't be helpful. I thought about the restriction too and was thinking as long as the filter will flow as much as the factory filters it should work. A restriction in the return would raise the system fuel pressure and I would think the filter would have to be pretty restrictive to change that. Maybe install something temporarily just for peace of mind. I haven't looked at it so it might be too complicated anyway.
Magnefine filters have a traditional element in them along with the magnet. I will try and eyeball it this weekend and see if it is even feasible.

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post #15 of 76 (permalink) Old 06-12-2013, 11:18 PM
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This all seems to be going off on a tangent. Whatever filter corresponds to the metal shavings found in the bottom of the bowl (in this case, the dieselsite filter) should be removed and examined. If there are no metal shavings then it's just confirms the original post that suspected the shavings were from the drain pan, not the fuel system.

No shavings there, get back to worrying about something else. You see metal in the filter, see if it's not too late to buy the extended warrantee.
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